Postcode record · Harrow
HA7 3LU.
HA7 3LU has 17 known premises and 19 planning records — 7 approved of 12 decided (58.3%). 12 EPC records.
Postcode HA7 3LU · boundary not held, centred on the postcodeApprovedRefusedOther19 on the map — every match
At a glance · this postcodeHarrow profile →
17
Premises
known addresses (UPRNs)
19
Applications
12 decided
58.3%
Approval rate
7 approved · 5 refused
59 days
Median decision time
average 61 days · 16 dated decisions
12
EPC records
ratings C 3 · D 8 · E 1
19
Mapped applications
inside the postcode shape
Postcode unit boundary from Ordnance Survey; premises and applications inside it. Aggregates describe the area, not any single premises.
Property
What is it?
HA7 3LU has 17 known premises and 19 planning records — 7 approved of 12 decided (58.3%). 12 EPC records.
Premises
Name
Details
UPRN 100021316862
UPRN 100021316864
UPRN 100021316866
UPRN 100021316868
UPRN 100021316871
UPRN 100021316873
UPRN 100021316875
UPRN 100021316877
UPRN 100021316879
UPRN 100021316881
UPRN 100021316862
UPRN 100021316864
UPRN 100021316866
Show all 10 rows
UPRN 100021316868
UPRN 100021316871
UPRN 100021316873
UPRN 100021316875
UPRN 100021316877
UPRN 100021316879
UPRN 100021316881
Planning
What happened?
19 planning applications across the postcode; 7 approved of 12 decided (58.3%). Latest 19 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves
9 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer Deborah Ewenla5
Prior Notification - Larger Home Extension
Pending Consideration
2026-05-27
Two storey rear extension; Alterations to roof to form rear dormer; Roof lights in front roof slope; External alterations
9 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer Deborah Ewenla5
Householder
Pending Consideration
2026-04-30
Certificate of lawful development (proposed): Single storey rear extension
9 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer Deborah Ewenla5
Certificate of Lawful Development Existing
Withdrawn
2026-03-15
Certificate of Lawful Development (Proposed): Change of use from Dwellinghouses (C3) to HMO for up to 6 Persons (C4)
37 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer Ian Opolot
Certificate of Lawful Development Proposed
Approved
2026-02-23
Single storey rear extension: 6.00 metres deep, 3.10 metres maximum height and 2.90 metres high to the eaves
37 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer Ian Opolot
Prior Notification - Larger Home Extension
Not required
2025-09-18
Single storey rear extension: 6.00 metres deep, 3.20 metres maximum height and 3.00 metres high to the eaves
29 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer Deborah Ewenla1
Prior Notification - Larger Home Extension
Not required
2025-03-26
Single storey rear extension: 6.00 metres deep, 2.80 metres maximum height and 2.50 metres high to the eaves
29 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer Safwan Ahmed
Prior Notification - Larger Home Extension
Not required
2022-02-17
Single Storey Rear Extension: 6 metres deep, 2.7 metres maximum height, 3.8 metres high to the eaves
39 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer FMC Faye McElwain
Prior Notification - Larger Home Extension
Refused
2019-11-18
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 3 metres high to the eaves
37 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer LC Lokendra Chemjong
Prior Notification - Larger Home Extension
Approved
2015-12-02
CONTINUED USE OF PREMISES FOR THE SALE OF CARS
39 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer FOD Fergal ODonnell
Full Planning Application
Refused
2009-05-01
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves
9 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer Deborah Ewenla5
Pending Consideration
2026-05-27
More
Prior Notification - Larger Home Extension
Two storey rear extension; Alterations to roof to form rear dormer; Roof lights in front roof slope; External alterations
9 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer Deborah Ewenla5
Pending Consideration
2026-04-30
More
Householder
Certificate of lawful development (proposed): Single storey rear extension
9 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer Deborah Ewenla5
Withdrawn
2026-03-15
More
Certificate of Lawful Development Existing
Show all 10 rows
Certificate of Lawful Development (Proposed): Change of use from Dwellinghouses (C3) to HMO for up to 6 Persons (C4)
37 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer Ian Opolot
Approved
2026-02-23
More
Certificate of Lawful Development Proposed
Single storey rear extension: 6.00 metres deep, 3.10 metres maximum height and 2.90 metres high to the eaves
37 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer Ian Opolot
Not required
2025-09-18
More
Prior Notification - Larger Home Extension
Single storey rear extension: 6.00 metres deep, 3.20 metres maximum height and 3.00 metres high to the eaves
29 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer Deborah Ewenla1
Not required
2025-03-26
More
Prior Notification - Larger Home Extension
Single storey rear extension: 6.00 metres deep, 2.80 metres maximum height and 2.50 metres high to the eaves
29 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer Safwan Ahmed
Not required
2022-02-17
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: 6 metres deep, 2.7 metres maximum height, 3.8 metres high to the eaves
39 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer FMC Faye McElwain
Refused
2019-11-18
More
Prior Notification - Larger Home Extension
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3 metres maximum height, 3 metres high to the eaves
37 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer LC Lokendra Chemjong
Approved
2015-12-02
More
Prior Notification - Larger Home Extension
CONTINUED USE OF PREMISES FOR THE SALE OF CARS
39 Masefield Avenue, Stanmore, Harrow, HA7 3LU · premises record
Officer FOD Fergal ODonnell
Refused
2009-05-01
More
Full Planning Application
Building control
Building-control records are not yet collected for Harrow — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).
Place
What affects it?
No mapped designation intersects a premises point in this postcode in the current build. Open any premises above for its own designation record.
Nearby postcodes and streets
Walk to the next area — linked where the Atlas has a record for it (pilot borough only for now).
People
Who is involved?
Named on the latest 19 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 3 applications
Case officer on 3 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 3 applications
Case officer on 3 applications
Case officer on 2 applications
Show all 10 rows
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent19 applications and 19 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy12 EPC records; ratings C: 3, D: 8, E: 1.
What is not assertedNo capacity, value or ownership claim is made at area level; those belong to individual premises records and their evidence.
Intent signals
Planning Atlas ProOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.